Home / 138,847.92-208,221.66-50,077.59

Finding the Fourth Proportional to 138,847.92, 208,221.66 and 50,077.59

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Solution

The fourth proportional to 138,847.92, 208,221.66 and 50,077.59 is: 75,098.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,847.92 : 208,221.66 = 50,077.59 : x
  2. Step 2: Convert to fraction form
    138,847.92/208,221.66 = 50,077.59/x
  3. Step 3: Cross multiply
    138,847.92x = 208,221.66 × 50,077.59
  4. Step 4: Simplify right side
    138,847.92x = 10,427,238,918.60
  5. Step 5: Solve for x
    x = 10,427,238,918.60/138,847.92
  6. Step 6: Final answer
    x = 75,098.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.